42145360

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{797}}^1$

素因数の和:1471

約数の個数: 40

約数和(自身を含む): 98259336

約数和(自身を除く): 56113976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 797, 1322, 1594, 2644, 3188, 3305, 3985, 5288, 6376, 6610, 7970, 10576, 12752, 13220, 15940, 26440, 31880, 52880, 63760, 526817, 1053634, 2107268, 2634085, 4214536, 5268170, 8429072, 10536340, 21072680, 42145360]

約数ペア:

[(1, 42145360), (2, 21072680), (4, 10536340), (5, 8429072), (8, 5268170), (10, 4214536), (16, 2634085), (20, 2107268), (40, 1053634), (80, 526817), (661, 63760), (797, 52880), (1322, 31880), (1594, 26440), (2644, 15940), (3188, 13220), (3305, 12752), (3985, 10576), (5288, 7970), (6376, 6610)]